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O

Object A result of any Windows application, such as a block of text, all or part of a graphic image, or a sound clip.

Object linking and embedding See OLE.

Object program A machine-level program that results from the compilation of a source program. (Compare with source program.)

Object-oriented language A programming language structured to enable the interaction between user-defined concepts that contain data and operations to be performed on the data.

Object-oriented programming (OOP) A form of software development in which programs are built with entities called objects, which model any physical or conceptual item. Objects are linked together in a top-down hierarchy.

OCR See optical character recognition.

OCR scanner A light-sensitive input device that bounces a beam of light off an image to interpret printed characters or symbols.

Off-line Pertaining to data that are not accessible by, or hardware devices that are not connected to, a computer system. (Contrast with online.)

OLE[object linking and embedding] The software capability that enables the creation a compound document that contains one or more objects from other applications. Objects can be linked or embedded.

Online Pertaining to data and/or hardware devices accessible to and under the control of a computer system. (Contrast with off-line.)

Online document Documents that are designed to be retrieved from secondary storage (locally or over a network) and viewed on a monitor. (same as electronic document).

Online service A commercial information network that provides remote users with access to a variety of information services.

Online thesaurus Software that enables a user to request synonyms interactively during a word processing session.

Open application A running application.

Open architecture Refers to micros that give users the flexibility to configure the system with a variety of peripheral devices.

Operating system The software that controls the execution of all applications and system software programs.

Optical character recognition (OCR) A data entry technique that permits original-source data entry. Coded symbols or characters are scanned to retrieve the data.

Optical laser disk A secondary storage medium that uses laser technology to score the surface of a disk to represent a bit.

OS/2 A multitasking PC operating system.

Output Data transferred from RAM to an output device for processing.


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